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Use Angular to obtain local Localstorage data in real time to achieve the effect of simulating background data login
Use Angular to obtain local Localstorage data in real time to achieve the effect of simulating background data login
Dec 07, 2016 pm 01:39 PM
After studying for a whole morning, I finally made it, get the local localStorage in real time to simulate registration and login~~~
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>我們雖然很窮，但是我們有夢想</title>
<script src="angular.js"></script>
</head>
<body ng-app="zcsApp" ng-controller="zcsControl">
用 戶 名：<input type="text" ng-model="name" /><br>
密 碼：<input type="text" ng-model="pwd" /><br>
確認(rèn)密碼：<input type="text" ng-model="pwd2" /><br>
<input type="button" value="注冊" ng-click=" ZhuCe()"/>
<input type="button" value="登入" ng-click=" Enter()"/>
<span style="color: red">{{message}}</span>
</body>
<script>
// var data={"name":"admin","pwd":"12"};
function PersonalInfo(name,pwd){
this.name=name;
this.pwd=pwd;
}
PersonalInfo.prototype.savaLocalStorage= function () {
var storage=window.localStorage.getItem("PersonalInfo");//得到的數(shù)據(jù)是字符串
storage=JSON.parse(storage) ||[];//字符串轉(zhuǎn)換成對象
storage.push(this);
window.localStorage.setItem("PersonalInfo",JSON.stringify(storage));
};
PersonalInfo.selectByName= function (name,pwd) {
var storage=window.localStorage.getItem("PersonalInfo");
storage= storage?JSON.parse(storage):[];
return storage.some(function (v) {//返回一個(gè)布爾值
return v.name===name&& v.pwd;
})
};
PersonalInfo.prototype.hasName= function (name,pwd,fn,fn2) {
var storage=window.localStorage.getItem("PersonalInfo");//得到的數(shù)據(jù)是字符串
storage= storage?JSON.parse(storage):[];
var data=storage;
for(var i=0;i<data.length;i++){
var v=data[i];
if(name!==v.name&& pwd!==v.pwd) {
fn();
return;
}
};
};
angular.module("zcsApp",[])
.controller("zcsControl",["$scope", function ($scope) {
$scope.ZhuCe= function () {
$scope.message="";
var name=$scope.name;
var pwd=$scope.pwd;
var pwd2=$scope.pwd2;
// 若是輸入為空或者undefined時(shí)
if(name===undefined||name.trim().length===0||pwd===undefined||pwd.trim().length===0||pwd2===undefined||pwd2.trim().length===0){
$scope.message="請輸入完整信息";
return;
}
// 若輸入的密碼和確認(rèn)密碼不一致時(shí)
if(pwd!==pwd2){
$scope.message="倆次輸入的密碼不一致";
return;
}
// 判斷本地是不是已經(jīng)有這個(gè)名字
if(PersonalInfo.selectByName(name,pwd)){
$scope.message="此賬號已注冊";
return;
}
// 存儲信息
var data=new PersonalInfo(name,pwd);
data.savaLocalStorage();
};
$scope.Enter= function () {
$scope.message="";
var name=$scope.name;
var pwd=$scope.pwd;
var per=new PersonalInfo(name,pwd);
if(PersonalInfo.selectByName(name)){
$scope.message="登入成功";
return;
}
per.hasName(name,pwd,function () {
$scope.message="賬號錯誤或者密碼不正確"
});//得到登入的信息
}
}])
</script>
</html>
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